Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2020   10:04:32   (  -0.04,-127.97) (   0.14,-128.63)   76.61                80
 08/19/2020   09:48:16   (  -0.04,-127.93) (  -0.88,-124.05)  441.46                80
 08/20/2020   22:07:14   (   0.04,-127.83) (  -0.26,-129.28)  164.50                80
 08/21/2020   21:50:58   (   0.04,-127.79) (   0.76,-124.70)  353.48                80
 08/23/2020   10:09:48   (  -0.04,-127.77) (   0.40,-129.89)  241.16                80
 08/24/2020   09:53:31   (  -0.04,-127.73) (  -0.56,-125.30)  276.44                80
 08/25/2020   22:12:29   (   0.05,-127.62) (  -0.58,-130.53)  330.66                80
 08/26/2020   21:56:12   (   0.05,-127.58) (   0.44,-125.95)  186.56                80
 08/28/2020   10:15:02   (  -0.05,-127.55) (   0.78,-131.13)  409.13                80
 08/29/2020   09:58:45   (  -0.05,-127.50) (  -0.24,-126.55)  107.82                80